<template>
    <div class="person">
      <h2>姓名：{{ person.name }}</h2>
      <h2>年龄：{{ person.age }}  {{ nl }}</h2>

      <button @click="changeName">修改名字</button>
      <button @click="changeAge">修改年龄</button>
    </div>
</template>

<script lang="ts" setup name="Person">
  import {reactive, toRefs, toRef} from 'vue'

  // 数据
  let person = reactive(
    {
      name: '张三',
      age: 18
    }
  )

  let {name, age} = toRefs(person)
  let x = toRefs(person)
  let nl = toRef(person, 'age')

  console.log(name)
  console.log(age)
  console.log(x)

  // 方法
  function changeName() {
    //person.name += '~'
    name.value += '~'
  }

  function changeAge() {
    // person.age += 1
    age.value += 1
  }
</script>

<style scoped>
  .person {
    background-color: skyblue;
    box-shadow: 0 0 10px;
    border-radius: 10px;
    padding: 20px;
  }
  li {
    font-size: 20px;
  }
  button {
    margin: 0 5px;
  }
</style>